instanceofInCatch.js

try {
  If (typeof x !== ‘number’) {
       throw new TypeError(‘x is not a number’);
  } else if (x <= 0) {
       throw new RangeError(‘x should be greater than 0’);
  } else {
       // Do something useful
  }
} catch (err) {
    if (err instanceof TypeError) {
      // Handle TypeError exceptions
    } else if (err instanceof RangeError) {
      // Handle RangeError exceptions
  } else {
      // Handle all other types of exceptions
  }
}